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Content Provider | World Health Organization (WHO)-Global Index Medicus |
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Author | Wong, Yuk-Shan Li, Chun-Hua Tam, Nora Fung-Yee |
Description | Author Affiliation: Li CH ( Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, PR China.) |
Abstract | Mangrove sediment, influenced by tidal cycles, switches between low-oxygen and non-oxygen conditions, and iron is abundant in it. Polycyclic aromatic hydrocarbon (PAH) contamination often occurs in mangrove wetlands. In the present paper, the effects of iron [Fe(III)] amendment on the biodegradation of four mixed PAHs, namely fluorene (Fl), phenanthrene (Phe), fluoranthene (Flua) and pyrene (Pyr), in mangrove sediment slurries, with and without the inoculation of the enriched PAH-degrading bacterial consortia, under low-oxygen (2 + or - 0.3% O(2)) and non-oxygen (0% O(2)) conditions were investigated. Under both oxygen conditions and for all four PAHs, the highest PAHs biodegradation was observed in the groups with the inoculation of the enriched PAH-degrading consortia, while the groups without the inoculum and without Fe(III) amendment had the lowest biodegradation. However, the amendment of Fe(III) did not show any significant improvement on the biodegradation of all the four mixed PAHs. |
ISSN | 09608524 |
Issue Number | 21 |
Volume Number | 101 |
e-ISSN | 18732976 |
Journal | Bioresource Technology |
Language | English |
Publisher | Elsevier |
Publisher Date | 2010-11-01 |
Publisher Place | Great Britain (UK) |
Access Restriction | Subscribed |
Subject Keyword | Geologic Sediments Chemistry Iron Metabolism Polycyclic Hydrocarbons, Aromatic Rhizophoraceae Sewage Anaerobiosis Bacteria Growth & Development Biodegradation, Environmental Carbon Dioxide Analysis Electron Transport Electrons Microbiology Kinetics Methane Oxidation-reduction Stress, Physiological Journal Article Research Support, Non-u.s. Gov't Discipline Bioresource |
Content Type | Text |
Resource Type | Article |
Subject Domain (in MeSH) | Eukaryota Bacteria Inorganic Chemicals Organic Chemicals Complex Mixtures Physical Phenomena Chemical Phenomena Physiological Phenomena Environment and Public Health |
Subject | Bioengineering Renewable Energy, Sustainability and the Environment Waste Management and Disposal Environmental Engineering Medicine |
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